The treasurer's admission: Resign, Mr. Casey Thursday, March 9, 2006 Bobby Casey just cooked his own political goose. The state treasurer and presumptive Democrat nominee for the U.S. Senate "broke ranks with the political establishment" (as The Associated Press tells it) and offered in a legal filing that the Pennsylvania Legislature violated the state Constitution with its summer 2005 pay-jacking. The filing came in response to a lawsuit now before the state Supreme Court that challenges the pay raises, repealed last fall after a public outcry...Snip... Mr. Casey, a defendant in the lawsuit, denied that the filing was politically motivated....